<?php
namespace wxpay;

require_once "WxPay.Api.php";
require_once "WxPay.Config.php";
require_once 'log.php';

/**
 * 
 * 刷卡支付实现类
 * @author widyhu
 *
 */
class NativePay
{
	/**
	 * 
	 * 生成扫描支付URL,模式一
	 * @param BizPayUrlInput $bizUrlInfo
	 */
	public function GetPrePayUrl($productId)
	{
		$biz = new WxPayBizPayUrl();
		$biz->SetProduct_id($productId);
		try {
			$config = new WxPayConfig();
			$values = WxpayApi::bizpayurl($config, $biz);
		} catch (Exception $e) {
			Log::ERROR(json_encode($e));
		}
		$url = "weixin://wxpay/bizpayurl?" . $this->ToUrlParams($values);
		return $url;
	}

	/**
	 * 
	 * 参数数组转换为url参数
	 * @param array $urlObj
	 */
	private function ToUrlParams($urlObj)
	{
		$buff = "";
		foreach ($urlObj as $k => $v) {
			$buff .= $k . "=" . $v . "&";
		}

		$buff = trim($buff, "&");
		return $buff;
	}

	/**
	 * 
	 * 生成直接支付url，支付url有效期为2小时,模式二
	 * @param UnifiedOrderInput $input
	 */
	public function GetPayUrl($input)
	{
		if ($input->GetTrade_type() == "NATIVE") {
			try {
				$config = new WxPayConfig();
				$result = WxPayApi::unifiedOrder($config, $input);
				return $result;
			} catch (Exception $e) {
				Log::ERROR(json_encode($e));
			}
		}
		return false;
	}
}